How many movies have Naoyuki Tomomatsu and Takehiko Tamiya collaborated on?

They have worked on 11 movies together! Their first movie together was Rape Zombie: Lust of the Dead (2012) while their highest rated movie together was Rape Zombie: Lust of the Dead 5 (2014). They have not worked together since Future Century Amazons (2017). They are most known for their horror films together.